1# -*- encoding: utf-8 -*- 

2# pylint: disable=E0203,E1101,C0111 

3""" 

4@file 

5@brief Runtime operator. 

6""" 

7import numpy 

8from ._op import OpRun 

9 

10 

11class Pow(OpRun): 

12 

13 def __init__(self, onnx_node, desc=None, **options): 

14 OpRun.__init__(self, onnx_node, desc=desc, **options) 

15 

16 def _run(self, a, b): # pylint: disable=W0221 

17 return (numpy.power(a, b).astype(a.dtype), ) 

18 

19 def _infer_shapes(self, x, b): # pylint: disable=W0221 

20 return (x, ) 

21 

22 def _infer_types(self, x, b): # pylint: disable=W0221 

23 return (x, ) 

24 

25 def _infer_sizes(self, *args, **kwargs): 

26 res = self.run(*args, **kwargs) 

27 return (dict(temp=0), ) + res 

28 

29 def to_python(self, inputs): 

30 return self._to_python_numpy(inputs, 'power')